upper atmosphere

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When Earth's upper atmosphere heats up and expands, satellites orbiting the planet experience greater atmospheric drag.

From Science Daily • May 22, 2026

This saw the capsule dip into the upper atmosphere, briefly climb again, then plunge back in so as to best cope with the heat, G-forces and splashdown accuracy needed.

From BBC • Mar. 31, 2026

As climate change shifts atmospheric conditions, experts warn that air travel could become bumpier: temperature changes and shifting wind patterns in the upper atmosphere are expected to increase the frequency and intensity of severe turbulence.

From BBC • Mar. 19, 2026

Swarm measurements form the foundation of global magnetic models used for navigation, tracking space weather hazards, and studying Earth's system from its deep interior to the upper atmosphere.

From Science Daily • Feb. 25, 2026

Like so many bullets, the particles slam into air molecules in the upper atmosphere, knocking off fragments that in turn strike other air molecules.

From "1491" by Charles C. Mann